Drinking water purification system monitoring device



FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a rear view of the present invention;

FIG. 4 is a rear view of the present invention having a wall mount installed in the rear side;

FIG. 5 is a left end view of the present invention;

FIG. 6 is a right end view of the present invention;

FIG. 7 is a top view of the present invention; and,

FIG. 8 is a bottom view of the present invention. 

The ornamental design for a drinking water purification system monitoring device, as shown. 